Device product
Proteus 235
Z-2592-2017
Product summary
- Event
- Event 77175
- Status
- Terminated
- Classification
- Class II
- Quantity
- 18 systems ( 10 in the US)
- Official record key
device-enforcement:Z-2592-2017
Official wording
Reason: It has been observed during testing that there could be clinically non-negligible amount of dark current (a well-known physics effect observed in cyclotron) in Pencil Beam Scanning (PBS) treatment mode when system is not irradiating between layers.
Code information: Serial Numbers: PAT.000,PAT.003, PAT.006, PAT.107, PAT.108, PAT.109, PAT.111, PAT.112, PAT.113, PAT.114, SAT.115, SAT.116, SAT.117, SAT.119, SAT.120, SAT.122, SAT.123, SAT.126
Distribution pattern: Worldwide Distribution - US Distribution to the states of : MA, FL, VA, PA, IL, NJ, WA, TN, LA and TX., and to the countries of: Germany, South Korea, France, Czech Republic, Italy, Poland and Sweden.
Derived failure modes
-
Unknown
It has been observed during testing that there could be clinically non-negligible amount of dark current (a well-known physics effect observed in cyclotron) in Pencil Beam Scanning (PBS) treatment mode when system is not irradiating between layers.